The S&P 500 has been on a remarkable journey, coasting to a third consecutive year of superior returns. As we step into 2026, Wall Street is abuzz with anticipation and uncertainty. Three key questions loom large, each with the potential to shape the market's trajectory. But here's where it gets intriguing - the answers may not be as straightforward as they seem. Will the market's momentum continue, or are we on the cusp of a significant shift? The upcoming year promises to be a pivotal one, and these questions will be at the forefront of investors' minds. So, let's dive in and explore the possibilities. But first, a quick reminder to stay tuned for more insightful content. Subscribe to CNBC PRO for exclusive market insights and join the CNBC Investing Club for personalized investment guidance. Now, let's unravel the mysteries of the market.